S 600 Sedan (140.057) V12-6.0L (120.982) (1996)
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Belt pulley (6):
Check.
PROCEDURE
1
Disconnect ground cable at battery.
2
Attach guard plate in front of radiator.
3
Rotate crankshaft until cylinder 1 is at TDC (arrow) so that the Woodruff key in the crankshaft is facing vertically up.
4
Slacken bolts (arrows) of the bolt pulleys of the fan (10) and of the coolant pump (9).
5
Remove poly V-belt (13-3420).
6
Unscrew bolt (1), remove tensioning pulley (8) of poly V-belt.
Tightening torque 38 Nm.
